Drosera occidentalis

{{Short description|Species of carnivorous plant}}

{{Use dmy dates|date=March 2023}}

{{Speciesbox

| image = Drosera occidentalis ssp australis.jpg

| image_caption = Drosera occidentalis subsp. australis

| genus = Drosera

| species = occidentalis

| authority = Morrison

| synonyms =

}}

Drosera occidentalis is a species in the carnivorous plant family Droseraceae, and native only to Western Australia. Its range is limited to wetlands between Perth and Pinjarra. It is noteworthy for having the smallest leaf-blades (laminae) of any Drosera, being only 1/25th inch (one millimeter) in diameter.{{cite book | last= George | first= Alexander | date= 1989 | title= Flora of Australia Volume 8 | location= Canburra | publisher= Gov't Publishing Service | page= 56}}